I think it looks something like:
7
The number 7 is written as seven.
The number 7.021 can be written in words as "seven point zero two one." If you need to express it in a more specific context, such as in mathematics or finance, it could also be referred to as "seven and twenty-one thousandths."
Seven.
0.87
7,000,000
The phrase "What happens with seven?" can refer to various contexts, such as the significance of the number seven in culture, religion, or mathematics. In many cultures, seven is often considered a lucky number, associated with good fortune and completion, as seen in concepts like the seven wonders of the world or the seven days of the week. In mathematics, seven is a prime number, which means it is only divisible by itself and one. Additionally, in storytelling and folklore, seven frequently appears as a magical or significant number, such as in fairy tales where characters encounter seven challenges or seven magical items.
7,000,000,000
sixity seven
As a number it is: 700,000,000
7,000,000,000,
4,000,000,007
0.7